What is the current water temperature in Holyhead?

Q: What is the current water temperature in Holyhead?

As of now, in Holyhead, the water temperature is 10.17°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

United Kingdom > Holyhead

Water temperature in Holyhead

Detailed information about the current water temperature in Holyhead. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

50.3

°F

December 21, 17:25

Trend:

stable

Yesterday:

50.3°F

Tomorrow:

50.3°F

Sunrise:

08:32

Sunset:

16:02

Day Length:

7 h. 30 min.

Holyhead in December

Minimum:

47.6°F

Average:

48.7°F

Maximum:

49.9°F

Sea water temperature in Holyhead today

As of now, in Holyhead, the water temperature is 50.3°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is about the same as the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 51.8°F on 2015, while the historical minimum was 49.0°F on 2019.

latest data

last year

Over the past two weeks, the water temperature has closely aligned with historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 50.1°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Holyhead

Date	Current Year actual* / forecast**	last year	10 years average
Dec 7	52.2°F	52.2°F	52.2°F
Dec 8	52.3°F	51.7°F	52.1°F
Dec 9	51.8°F	51.8°F	51.8°F
Dec 10	51.7°F	51.8°F	51.7°F
Dec 11	51.5°F	51.4°F	51.5°F
Dec 12	51.5°F	51.5°F	51.3°F
Dec 13	51.3°F	51.4°F	51.1°F
Dec 14	51.3°F	50.9°F	51.0°F
Dec 15	51.1°F	51.0°F	50.9°F
Dec 16	50.9°F	50.0°F	50.7°F
Dec 17	51.0°F	50.6°F	50.5°F
Dec 18	50.8°F	50.7°F	50.4°F
Dec 19	50.8°F	50.6°F	50.4°F
Dec 20	50.3°F	50.6°F	50.4°F
Dec 21	50.3°F	50.6°F	50.3°F
Dec 22	50.3°F	50.5°F	50.3°F
Dec 23	50.3°F	50.2°F	50.3°F
Dec 24	50.1°F	50.4°F	50.1°F
Dec 25	50.1°F	50.5°F	50.1°F
Dec 26	50.2°F	50.8°F	50.2°F
Dec 27	50.0°F	50.7°F	50.0°F
Dec 28	50.0°F	50.6°F	50.0°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Holyhead by month

In an average year, Holyhead offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Holyhead was recorded on September 7, 2023, reaching a 63.3°F. While the coldest temperature occurred on March 9, 2018, dipping to 43.0°F. The average readings by season are 48.6°F in Winter, 48.3°F in Spring, 57.9°F in Summer, and 57.8°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Caernarfon	48.5°F	19mi
Bangor	47.3°F	21mi
Conwy	47.4°F	33mi
Douglas	51.0°F	59mi
Aberystwyth	48.0°F	66mi

* current water temperature in this city

** straight line distance from Holyhead